All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
22
The average person can live for eleven days without water, assuming an average temperature of 60 degrees fahrenheit.
15
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Putting sugar on a wound or cut will greatly reduce pain and speed up the healing process.
25
Gardening is said to be one of the best exercises for maintaining healthy bones.
40
Chocolate, sex, and laughter are all important for a healthy brain.
37
By putting a frog in a bucket of milk, scientists following up on an ancient Russian way of keeping milk from going sour have identified a wealth of new antibiotic substances.
9
Only 1 person in 2 billion will live to be 116.
49